package com.iris.temp;

class Super {
    public Integer getLenght() { return new Integer(4); }
}

public class Sub extends Super {
    public static void main(String[] args) {
        Super sooper = new Super();
        Sub sub = new Sub();
        System.out.println(sooper.getLenght().toString() + "," +
                sub.getLenght().toString() );
    }
}